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/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.vtnweb.resources;
import static javax.ws.rs.core.Response.Status.OK;
import static org.onlab.util.Tools.nullIsNotFound;
import java.io.IOException;
import java.io.InputStream;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.onosproject.rest.AbstractWebResource;
import org.onosproject.vtnrsc.PortPairGroup;
import org.onosproject.vtnrsc.PortPairGroupId;
import org.onosproject.vtnrsc.portpairgroup.PortPairGroupService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
/**
* Query and program port pair group.
*/
@Path("port_pair_groups")
public class PortPairGroupWebResource extends AbstractWebResource {
private final Logger log = LoggerFactory.getLogger(PortPairGroupWebResource.class);
public static final String PORT_PAIR_GROUP_NOT_FOUND = "Port pair group not found";
public static final String PORT_PAIR_GROUP_ID_EXIST = "Port pair group exists";
public static final String PORT_PAIR_GROUP_ID_NOT_EXIST = "Port pair group does not exist with identifier";
/**
* Get details of all port pair groups created.
*
* @return 200 OK
*/
@GET
@Produces(MediaType.APPLICATION_JSON)
public Response getPortPairGroups() {
Iterable<PortPairGroup> portPairGroups = get(PortPairGroupService.class).getPortPairGroups();
ObjectNode result = mapper().createObjectNode();
ArrayNode portPairGroupEntry = result.putArray("port_pair_groups");
if (portPairGroups != null) {
for (final PortPairGroup portPairGroup : portPairGroups) {
portPairGroupEntry.add(codec(PortPairGroup.class).encode(portPairGroup, this));
}
}
return ok(result.toString()).build();
}
/**
* Get details of a specified port pair group id.
*
* @param id port pair group id
* @return 200 OK, 404 if given identifier does not exist
*/
@GET
@Path("{group_id}")
@Produces(MediaType.APPLICATION_JSON)
public Response getPortPairGroup(@PathParam("group_id") String id) {
PortPairGroup portPairGroup = nullIsNotFound(get(PortPairGroupService.class)
.getPortPairGroup(PortPairGroupId.of(id)),
PORT_PAIR_GROUP_NOT_FOUND);
ObjectNode result = mapper().createObjectNode();
result.set("port_pair_group", codec(PortPairGroup.class).encode(portPairGroup, this));
return ok(result.toString()).build();
}
/**
* Creates a new port pair group.
*
* @param stream port pair group from JSON
* @return status of the request - CREATED if the JSON is correct,
* BAD_REQUEST if the JSON is invalid
*/
@POST
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public Response createPortPairGroup(InputStream stream) {
try {
ObjectMapper mapper = new ObjectMapper();
ObjectNode jsonTree = (ObjectNode) mapper.readTree(stream);
JsonNode port = jsonTree.get("port_pair_group");
PortPairGroup portPairGroup = codec(PortPairGroup.class).decode((ObjectNode) port, this);
Boolean issuccess = nullIsNotFound(get(PortPairGroupService.class).createPortPairGroup(portPairGroup),
PORT_PAIR_GROUP_NOT_FOUND);
return Response.status(OK).entity(issuccess.toString()).build();
} catch (IOException e) {
log.error("Exception while creating port pair group {}.", e.toString());
throw new IllegalArgumentException(e);
}
}
/**
* Update details of a specified port pair group id.
*
* @param id port pair group id
* @param stream port pair group from json
* @return 200 OK, 404 if given identifier does not exist
*/
@PUT
@Path("{group_id}")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
public Response updatePortPairGroup(@PathParam("group_id") String id,
final InputStream stream) {
try {
ObjectMapper mapper = new ObjectMapper();
ObjectNode jsonTree = (ObjectNode) mapper.readTree(stream);
JsonNode port = jsonTree.get("port_pair_group");
PortPairGroup portPairGroup = codec(PortPairGroup.class).decode((ObjectNode) port, this);
Boolean isSuccess = nullIsNotFound(get(PortPairGroupService.class).updatePortPairGroup(portPairGroup),
PORT_PAIR_GROUP_NOT_FOUND);
return Response.status(OK).entity(isSuccess.toString()).build();
} catch (IOException e) {
log.error("Update port pair group failed because of exception {}.", e.toString());
throw new IllegalArgumentException(e);
}
}
/**
* Delete details of a specified port pair group id.
*
* @param id port pair group id
*/
@Path("{group_id}")
@DELETE
public void deletePortPairGroup(@PathParam("group_id") String id) {
log.debug("Deletes port pair group by identifier {}.", id);
PortPairGroupId portPairGroupId = PortPairGroupId.of(id);
Boolean issuccess = nullIsNotFound(get(PortPairGroupService.class).removePortPairGroup(portPairGroupId),
PORT_PAIR_GROUP_NOT_FOUND);
if (!issuccess) {
log.debug("Port pair group identifier {} does not exist", id);
}
}
}
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